Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong phu ho snippets" » "cong chu ho snippets", "dong phu ho snippets", "song phu ho snippets", "cong phu tho snippets", "cong phu hop snippets", "cong phu ha 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: (((("cong phu ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong phu ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong phu ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong phu ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.