Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong do he snippets" » "trong doi he snippets", "trong dao he snippets", "trong co he snippets", "trong do ke snippets", "trong do le snippets", "trong do ve 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 do 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: (((("trong do he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong do he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong do he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.