Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"anh doc dan slippers" » "anh duc dan slippers", "anh hoc dan slippers", "nang doc dan slippers", "anh duoc dan slippers", "anh doc dao slippers", "anh doc dan slippery", "anh doc dan grippers"

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: (((("anh doc dan slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh doc dan slippers") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( anh doc dan slippers ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh doc dan slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))*.