Perhaps you should try some spelling variations:
thue xanh » thue thanh, thuy anh, thu canh
hanh tang » hanh trang, anh tang, hanh mang
hua trong » nhua trong, qua trong, dua trong
hoa trong » hoc trong, dot trong, hoa cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((thue xanh) OR (thuc hanh)) - hanh tang ((hua trong) OR (hoa trong)) cong dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((thue xanh) OR (thuc hanh)) - hanh tang ((hua trong) OR (hoa trong)) cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: cho ((thue xanh) OR (thuc hanh)) - hanh tang ((hua trong) OR (hoa trong)) cong dan toan ban*.