Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chong va can snippets" » "thong va can snippets", "cong va can snippets", "phong va can snippets", "chong va chan snippets", "chong va cac snippets", "chong va cao 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: (((("chong va can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chong va can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chong va can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chong va can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.