Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phoi van hoe snippets" » "phi van hoe snippets", "phoi va hoe snippets", "phong van hoe snippets", "phoi van hoa snippets", "phoi van hoc snippets", "phoi van hieu 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: (((("phoi van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phoi van hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phoi van hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phoi van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.