Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phat van cau snippets" » "phat van code snippets", "pham van cau snippets", "phan van cau snippets", "phap van cau snippets", "phat van dau snippets", "phat van hau snippets", "phat van chat 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: (((("phat van 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: (((("phat van cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phat van cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat van cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.