Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cham voi di snippets" » "cham voi code snippets", "cham hoi di snippets", "pham voi di snippets", "cham soc di snippets", "cham voi doi snippets", "cham voi dai snippets", "cham toi di 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: (((("cham voi di snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham voi di snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cham voi di snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham voi di snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.