Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hau long cuc snippets" » "hau long code snippets", "hai long cuc snippets", "ha long cuc snippets", "hau bong cuc snippets", "hau long cua snippets", "hau tong cuc snippets", "hau luong cuoc 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: (((("hau long 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: (((("hau long cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hau long cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hau long cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.