Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tru tinh cau snippets" » "trieu tinh cau snippets", "cuu tinh cau snippets", "tru trinh cau snippets", "tru tinh cao snippets", "tru sinh cau 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 cau 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 cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tru tinh cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tru tinh cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.