Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong khao co snippets" » "cong khao code snippets", "cong khan co snippets", "cong khanh co snippets", "thong khao co snippets", "cong khac co snippets", "cong khao cuu snippets", "cong khao noi 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: (((("cong khao co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong khao co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong khao co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong khao co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.