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