Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc ap dung slippers" » "hoc xay dung slippers", "hoc van dung slippers", "hoc tap dung slippers", "hoc lap dung slippers", "hoc asp dung slippers", "hoc ap dung slippery", "hoc ap dung grippers"

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: (((("hoc ap dung slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc ap dung slippers") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( hoc ap dung slippers ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc ap dung slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))*.