Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri mang cua snippets" » "tri bang cua snippets", "tren mang cua snippets", "tri mac cua snippets", "tri manh cua snippets", "tri dung cua snippets", "tri ban cua 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 mang cua 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 mang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri mang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri mang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.