Perhaps you should try some spelling variations:
"tin don chat snippets" » "tin don code snippets", "tin doc chat snippets", "tin cong chat snippets", "tin dinh chat snippets", "tien dong chat snippets", "tin dung chat snippets", "tinh doi chat snippets"
"locating bug core snippets" » "locating bug code 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 ("tin don chat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tin don chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tin don chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tin don chat snippets"))) or ("locating bug core snippets"))*.