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