Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than dieu so snippets" » "nhan dieu so snippets", "han dieu so snippets", "thuat dieu so snippets", "than hieu so snippets", "than lieu so snippets", "than dieu co 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: (((("than dieu so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than dieu so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than dieu so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than dieu so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.