Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri hang ve snippets" » "thi hang ve snippets", "tri bang ve snippets", "tri mang ve snippets", "tri hang va snippets", "tri hanh ve snippets", "tri hang ke 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 hang ve 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 hang ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri hang ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri hang ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.