Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh hoa la slippers" » "trinh do la slippers", "trinh han la slippers", "trinh hoa lan slippers", "trinh hoa lap slippers", "trinh hoa xa slippers", "trinh hoa la slippery", "trinh hoa la 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 hoa la 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 hoa la slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh hoa la slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh hoa la slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.