Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do quang von snippets" » "do quang van snippets", "do quang vuong snippets", "do quang vinh snippets", "vu quang von snippets", "le quang von snippets", "ly quang von 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: (((("do quang von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do quang von snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do quang von snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do quang von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.