Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac thanh de snippets" » "ban thanh de snippets", "cac thanh de snippets", "tai thanh de snippets", "bac hanh de snippets", "bac thanh ve snippets", "bac thanh 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: (((("bac thanh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac thanh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac thanh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac thanh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.