Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong hinh he snippets" » "tung hinh he snippets", "hong hinh he snippets", "tong minh he snippets", "tong hinh ha snippets", "tong tinh he snippets", "tong chinh che 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: (((("tong hinh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong hinh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong hinh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong hinh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.