Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hieu tri cuc snippets" » "hieu tri code snippets", "dieu tri cuc snippets", "sieu tri cuc snippets", "hieu triet cuc snippets", "hieu tai cuc snippets", "hieu thi cuc snippets", "hieu tri cua snippets"
"python using java snippets" » "python using data 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: (((("hieu tri cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu tri cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hieu tri cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu tri cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.