Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cao hoc hieu snippets" » "cao hoc thieu snippets", "cao hoc hien snippets", "cao doc hieu snippets", "co hoc hieu snippets", "cho hoc hieu snippets", "chat hoc hieu snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cao hoc hieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"cao hoc hieu snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( cao hoc hieu snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao hoc hieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.