Perhaps you should try some spelling variations:
"tri kho cong snippets" » "tri kho code snippets", "tri khoa cong snippets", "tri khoe cong snippets", "tri cho cong snippets", "tri nho cong snippets", "tai khoa cong snippets", "tai khoi cong 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 ("tri kho cong snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using java snippets\") OR (\"tri kho cong snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( tri kho cong snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("tri kho cong snippets"))) OR ("locating bug core snippets"))*.