Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong de doi snippets" » "trong den doi snippets", "trong le doi snippets", "trong he doi snippets", "trong te doi snippets", "trong ve doi snippets", "trong ke doi 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: (((("trong de doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong de doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong de doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong de doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.