Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc phap so snippets" » "thuoc phap so snippets", "thuc pham so snippets", "thuc pha so snippets", "thuc phap mo snippets", "thuc phap hoc 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: (((("thuc phap 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: (((("thuc phap so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc phap so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc phap so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.