Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"le khanh tu snippets" » "le thanh tu snippets", "le anh tu snippets", "de thanh tu snippets", "le khanh thu snippets", "le hanh tu snippets", "le nhanh tu snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("le khanh tu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"le khanh tu snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( le khanh tu snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets ))*.