Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"theo cua cha snippets" » "thao cua cha snippets", "tho cua cha snippets", "cheo cua cha snippets", "theo cua chu snippets", "theo cua nha snippets", "theo chua chay 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: (((("theo cua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("theo cua cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( theo cua cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("theo cua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.