Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu ba cau snippets" » "thu ban cau snippets", "thu bao cau snippets", "thu ha cau snippets", "thu bac cau snippets", "thu bo cau 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 ba cau 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 ba cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu ba cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu ba cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.