Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hong mat da snippets" » "phong mat da snippets", "duong mat da snippets", "hoang mai da snippets", "hong mat dan snippets", "hong mat ma snippets", "hong vat da 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: (((("hong mat da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hong mat da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong mat da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong mat da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.