Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao mon doc snippets" » "hat mon doc snippets", "hau mon doc snippets", "ho mon doc snippets", "hao mon hoc snippets", "hao ngon doc snippets", "hao mon dich 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 doc 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 doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao mon doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao mon doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.