Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van giai cac snippets" » "van giai code snippets", "va giai cac snippets", "dan giai cac snippets", "van giao cac snippets", "van gian cac snippets", "van giai ca snippets", "van giai bai 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 giai cac 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 giai cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van giai cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van giai cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.