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