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