Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cham lai cua snippets" » "cham lai code snippets", "pham lan cua snippets", "cham mat cua snippets", "cham va cua snippets", "cham dai cua snippets", "cham hai cua snippets", "cham lai chau 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: (((("cham lai cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham lai cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cham lai cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham lai cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.