Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huu pha du snippets" » "huu pha code snippets", "huu phan du snippets", "huu nha du snippets", "huu phi du snippets", "huu pham duc snippets", "huu pham duy snippets", "huu phan duc 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 pha du 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 pha du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huu pha du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu pha du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.