Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"de cai chieu snippets" » "de cac chieu snippets", "de hai chieu snippets", "de giai chieu snippets", "de tai chieu snippets", "ve cai chieu 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: (((("de cai chieu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de cai chieu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( de cai chieu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de cai chieu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.