Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huu voi cong snippets" » "huu voi code snippets", "huu noi cong snippets", "huu moi cong snippets", "huu tai cong snippets", "cuu voi cong snippets", "hue voi cong snippets", "huu hoi cong 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: (((("huu voi cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu voi cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huu voi cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu voi cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.