Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
cong thanh » dong thanh, cong trinh, cong tan
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cam » trinh cam, tranh cac, tranh lam
tranh cai » tranh cac, trinh cai, tranh chap
nang cong » nang song, dang cong, bang cong
san cao » san co, san cho, san bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien thanh) or (hieu manh)) - canh ((tranh cam) OR (tranh cai)) nang cong thanh san cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (hieu manh)) - canh ((tranh cam) OR (tranh cai)) nang cong thanh san cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien thanh) or (hieu manh)) - canh ((tranh cam) OR (tranh cai)) nang cong thanh san cao*".