Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pham tao cau snippets" » "pham tao code snippets", "pham tai cau snippets", "pham bao cau snippets", "pham tan cau snippets", "pham tao cu snippets", "pham tao cao snippets", "pham tao sau 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: (((("pham tao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham tao cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pham tao cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham tao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.