Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
vang thanh » van thanh, dang thanh, tang thanh
hieu manh » hieu nganh, dieu hanh, hien hanh
cong vang » cong lang, cong quang, cong ngang
thanh cao » thanh ca, thanh cac, thanh thao
ho hang » cho hang, hoc hang, hao zhang
ho nang » thi nang, kha nang, cao 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 (chieu xanh)) - thanh tung ((ho hang) OR (ho nang)) cong vang thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu xanh)) - thanh tung ((ho hang) OR (ho nang)) cong vang thanh cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (chieu xanh)) - thanh tung ((ho hang) OR (ho nang)) cong vang thanh cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu xanh)) - thanh tung ((ho hang) OR (ho nang)) cong vang thanh cao*.