Perhaps you should try some spelling variations:
"ca ho chieu snippets" » "ca ho code snippets", "ca theo chieu snippets", "ca hoc thieu snippets", "ca doi chieu snippets", "can ho chieu snippets", "ca hon chieu snippets", "cac ho chieu snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("ca ho chieu snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ca ho chieu snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( ca ho chieu snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("ca ho chieu snippets"))) or ("locating bug core snippets"))*.