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