Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong con le snippets" » "trong cong le snippets", "trong co le snippets", "trong can le snippets", "trong hon le snippets", "trong son le snippets", "trong con de 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 con le 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 con le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong con le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong con le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.