Perhaps you should try some spelling variations:
"trong chung tu snippets" » "truong chung tu snippets", "trong chuong tu snippets", "trong hung tu snippets", "trong chung cu snippets", "trong thong tu snippets", "trong chung tu slippers"
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("trong chung tu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trong chung tu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trong chung tu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trong chung tu snippets"))) or ("locating bug code snippets"))*.