Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using data slippers" » "python using java slippers", "python using sat slippers", "python missing data slippers", "python using data slippery", "python using data grippers"
"van du code snippets" » "van bug code snippets", "van duy code snippets", "van dau code snippets", "van de code 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: (((("van du code snippets") or ("python using data slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van du code snippets") OR ("python using data slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( van du code snippets ) or ( python using data slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van du code snippets") or ("python using data slippers"))) or ("locating bugs code snippets"))*.