Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, thien tinh, lieu tinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
dung cong » dung trong
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
tung thi » tang thi, dung thi, tong thi
thi dung » thi huong, thi nhung, thi cong
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu tinh) OR (chieu tinh)) - thanh tung thi dung cong sang than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu tinh) OR (chieu tinh)) - thanh tung thi dung cong sang than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) OR (chieu tinh)) - thanh tung thi dung cong sang than cau*.