Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"toan cau trinh slippers" » "toan lap trinh slippers", "toan chau tinh slippers", "toan cau vinh slippers", "toan cao trinh slippers", "toan ban trinh slippers", "toan tap trinh slippers", "toan cau trinh slippery", "toan cau trinh grippers"
"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 ("toan cau trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("toan cau trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( toan cau trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("toan cau trinh slippers"))) or ("locating bug code snippets"))*.