Perhaps you should try some spelling variations:
"co dao chieu snippets" » "co dao code snippets", "co dao hieu snippets", "co da chieu snippets", "co cao hieu snippets", "cho dao chieu snippets", "cao dao chieu snippets", "ca dao chieu 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: (((("co dao chieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"co dao chieu snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( co dao chieu snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co dao chieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.