Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu hat doi snippets" » "thu nhat doi snippets", "thu ha doi snippets", "thu hut doi snippets", "thu hoat doi snippets", "thu thay doi snippets", "thu hang 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: (((("thu hat 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: (((("thu hat doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu hat doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu hat doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.