Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho voi con snippets" » "cho voi code snippets", "choi voi con snippets", "cho moi con snippets", "pho voi con snippets", "cho voi cong snippets", "cho voi chon snippets", "cho voi can 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 voi con 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 voi con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cho voi con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho voi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.