Perhaps you should try some spelling variations:
"dac cau chan snippets" » "dac cau code snippets", "dac cam chan snippets", "dac chu chan snippets", "dac can chan snippets", "dat cau chan snippets", "da cau chan snippets", "bac cau chan 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 ("dac cau chan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dac cau chan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dac cau chan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dac cau chan snippets"))) or ("locating bug core snippets"))*.