Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac chat du snippets" » "cao chat du snippets", "cac thuat du snippets", "cac nha du snippets", "cac chat di snippets", "cac chat huu snippets", "cac chat cua 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: (((("cac chat du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac chat du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac chat du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac chat du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.