Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong tri can snippets" » "dong tri code snippets", "dong tai can snippets", "dong thi can snippets", "dung tri can snippets", "dong tri van snippets", "dong tri ban snippets", "dong tre can 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: (((("dong tri can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tri can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong tri can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tri can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.