Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dao thai duc snippets" » "dao thi duc snippets", "do thai duc snippets", "da thai duc snippets", "dao thai dac snippets", "dao thai tuc snippets", "dao than duc snippets"

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

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