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