Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri phi cong snippets" » "tri thi cong snippets", "tri phan cong snippets", "tri pham cong snippets", "thi phi cong snippets", "tri phu cong snippets", "tri chi cong 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: (((("tri phi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri phi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri phi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri phi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.