Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan phat so snippets" » "tuan phat so snippets", "van phat so snippets", "tam phat so snippets", "tan nhat so snippets", "tan phap so snippets", "tan thuat so 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: (((("tan phat 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: (((("tan phat so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan phat so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan phat so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.