Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"keo cua cha snippets" » "keo sua cha snippets", "kho cua cha snippets", "cheo cua cha snippets", "keo cua chu snippets", "keo cua nha snippets", "keo 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: (((("keo 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: (((("keo cua cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( keo cua cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("keo cua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.