Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van chi cham snippets" » "van chi code snippets", "van chin cham snippets", "van thi cham snippets", "van khi cham snippets", "van chien cham snippets", "luan chi cham snippets", "van chat cham 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: (((("van chi cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van chi cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van chi cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van chi cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.