Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"khang ninh cuu snippets" » "khang sinh cuu snippets", "quang ninh cuu snippets", "khanh linh cuu snippets", "khang dinh cuu snippets", "khang vinh cuu snippets", "khang trinh cuu snippets"
"locating bug code snippets" » "locating bug core snippets", "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 ("khang ninh cuu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("khang ninh cuu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( khang ninh cuu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("khang ninh cuu snippets"))) or ("locating bug code snippets"))*.