Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao mon cua snippets" » "hat mon cua snippets", "hau mon cua snippets", "ho mon cua snippets", "hao mong cua snippets", "hao muon cua snippets", "hao con cua snippets"
"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: (((("hao mon cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao mon cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao mon cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao mon cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.