Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kinh va hoe snippets" » "kinh van hoe snippets", "tinh va hoe snippets", "sinh va hoe snippets", "kinh va hoc snippets", "kinh va hoa 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: (((("kinh va 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: (((("kinh va hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kinh va hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kinh va hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.