Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chap pha du snippets" » "chap pha code snippets", "chap phap du snippets", "phap phat du snippets", "phap phan du snippets", "chap pham duc snippets", "chap pham duy snippets", "chap phan duc 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 ("chap pha du snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("chap pha du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( chap pha du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("chap pha du snippets"))) or ("locating bug core snippets"))*.