Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao du chat snippets" » "dao du code snippets", "dao duoc chat snippets", "dao dung chat snippets", "dao doc chat snippets", "dao duc chat snippets", "dao duy chat snippets", "dao do chat 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: (((("dao du chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao du chat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao du chat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao du chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.