Perhaps you should try some spelling variations:
thanh tung » thanh cong
tuong dan » huong dan, tung dan, xuong dan
xuong san » xuong song, cong san, dong san
hap tinh » phap tinh, nhap tinh, ha tinh
toan cao » toan ban, toan tap
tung va » trung va, tuong va, dung va
ho hap » hoi nhap, hoc phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hap tinh - thanh tung va nhung ((tuong dan) or (xuong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hap tinh - thanh tung va nhung ((tuong dan) OR (xuong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho hap tinh - thanh tung va nhung ((tuong dan) or (xuong san)) toan cao*.