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