Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tru tinh cuu snippets" » "trieu tinh cuu snippets", "cuu tinh cuu snippets", "tru trinh cuu snippets", "tru dinh cuu snippets", "tru tinh 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: (((("tru tinh cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tru tinh cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tru tinh cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tru tinh cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.