Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri phu ca snippets" » "thi phu ca snippets", "tri thuc ca snippets", "tri phan ca snippets", "tri phu can snippets", "tri phuc ca snippets", "tri phu la 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 phu ca 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 phu ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri phu ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri phu ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.