Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thieu anh » thien anh, thien danh, thieu nhi
trung hoc » trung quoc
thong van » trong van, thong va, thong quan
van tuan » van quan, van ban, anh tuan
tuan cao » toan cao, juan cao, quang cao
tung ho » tuong ho, trung hoa, tong hop

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 anh) OR (chieu xanh)) - thanh ((tung ho) or (trung hoc)) thong thong van tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (chieu xanh)) - thanh ((tung ho) OR (trung hoc)) thong thong van tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu anh) OR (chieu xanh)) - thanh ((tung ho) or (trung hoc)) thong thong van tuan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) OR (chieu xanh)) - thanh ((tung ho) or (trung hoc)) thong thong van tuan cao*.