Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khu cong son snippets" » "khu cong code snippets", "thu cong son snippets", "thi cong son snippets", "cuu cong son snippets", "khu cong san snippets", "khu cong so snippets", "khu dong son snippets"
"python using java snippets" » "python using data snippets"

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