Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh ve han slippers" » "trinh he han slippers", "trinh va han slippers", "trinh vi han slippers", "trinh ve hanh slippers", "trinh ve phan slippers", "trinh ve ban slippers", "trinh ve han slippery", "trinh ve han 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 ve han 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 ve han slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh ve han slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ve han slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.