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