Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"song van du snippets" » "hoang van du snippets", "trong van du snippets", "duong van du snippets", "song van duy snippets", "song van dau snippets", "song van de 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: (((("song van du snippets") or ("python using data snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("song van du snippets") OR ("python using data snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( song van du snippets ) or ( python using data snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song van du snippets") or ("python using data snippets"))) or ("locating bugs code snippets"))*.