Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huu van cua snippets" » "huu van code snippets", "cuu van cua snippets", "huu han cua snippets", "luu van cua snippets", "huu vang cua snippets", "huu ban cua snippets", "huu dan 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: (((("huu van cua 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 van cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huu van cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu van cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.