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