Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dac choi tu snippets" » "dac cho tu snippets", "dam choi tu snippets", "cac thoi tu snippets", "dac hoi tu snippets", "dac chon tu snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac choi tu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dac choi tu snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dac choi tu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.