Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan hat doi snippets" » "tan phat doi snippets", "tan ha doi snippets", "tan tat doi snippets", "tan hoat doi snippets", "tan thay doi snippets", "tan hang doi 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 hat doi 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 hat doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan hat doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan hat doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.