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