Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho hang cho snippets" » "cho hang code snippets", "cho thanh cho snippets", "cho phan cho snippets", "thi hang cho snippets", "cho sang cho snippets", "cho han cho snippets", "cho tang cho 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: (((("cho hang cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho hang cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cho hang cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho hang cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.