Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hao con cua snippets" » "hao con code snippets", "tao con cua snippets", "hai con cua snippets", "hao mon cua snippets", "hao cong cua snippets", "hao co cua snippets", "hao dong 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: (((("hao con 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: (((("hao con cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hao con cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao con cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.