Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi anh doc snippets" » "thi hanh doc snippets", "thi thanh doc snippets", "thich anh doc snippets", "thi anh duc snippets", "thi anh hoc snippets", "thi nang doc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("thi anh doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi anh doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi anh doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi anh doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.