Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"khanh v data slippers" » "khanh van data slippers", "thanh va data slippers", "thanh ve data slippers", "khanh _ data slippers", "khanh a data slippers", "khanh 2 data slippers", "khanh v data slippery", "khanh v data grippers"

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 ("khanh v data slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("khanh v data slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( khanh v data slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("khanh v data slippers"))) or ("locating bugs code snippets"))*.