Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"va duc toan snippets" » "va duc tan snippets", "va duc ton snippets", "va duc hoan snippets", "van duc toan snippets", "va duoc toan snippets", "va doc toan snippets"

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

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