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