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