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