Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
thanh tung » thanh cong
thanh thao » thanh thanh, thanh pho, thanh toan
hieu manh » chieu xanh, hieu nganh, dieu hanh
hiem ngan » kim ngan, viem gan
hang cong » dang cong, hang nong, bang cong
cong vang » cong lang, cong quang, cong ngang
tung ho » tuong ho, trung hoc, trung hoa
ho hang » cho hang, hoc hang, ho nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (hiem ngan)) - thanh tung ho hang cong vang ((thanh thao) OR (thanh thang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (hiem ngan)) - thanh tung ho hang cong vang ((thanh thao) OR (thanh thang)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (hiem ngan)) - thanh tung ho hang cong vang ((thanh thao) OR (thanh thang))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (hiem ngan)) - thanh tung ho hang cong vang ((thanh thao) OR (thanh thang))*.