Perhaps you should try some spelling variations:
thanh trung » thanh tung
tuong tuong » tuong duong, trong tuong, duong truong
thieu manh » tien manh, trieu minh, chieu xanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung doi » trung dai, trong doi, trung do
doi tuong » moi truong, doi song
tuong dan » huong dan, tung dan, xuong 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: hoc ((thieu manh) or (hieu manh)) - thanh trung doi tuong tuong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu manh) OR (hieu manh)) - thanh trung doi tuong tuong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu manh) or (hieu manh)) - thanh trung doi tuong tuong dan toan ban*.