Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu hai time snippets" » "thu a time snippets", "thu tai tim snippets", "thu dai tim snippets", "thu ha time snippets", "thu nhap time snippets", "thu hang time 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: (((("thu hai time snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu hai time snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu hai time snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu hai time snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.