Perhaps you should try some spelling variations:
"thi moi code snippets" » "thi moi co snippets", "thi moi cong snippets", "thi moi con snippets", "thi mai code snippets", "thi mo code snippets", "thi hoai code snippets", "thi moi code slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"thi moi code snippets\") OR (\"python using a snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( thi moi code snippets ) OR ( python using a snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("thi moi code snippets") OR ("python using a snippets"))) OR ("locating bug code snippets"))*.