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