Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
thanh nga » thanh ngu, thanh nhan, nhanh ngan
cua nong » cua cong, cua dong, cua song
cuu nong » cuu cong, cuu nang, cuu tong
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu

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 xanh - thanh trung ((cua nong) OR (cuu nong)) cong dan ((thanh nga) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung ((cua nong) OR (cuu nong)) cong dan ((thanh nga) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh trung ((cua nong) OR (cuu nong)) cong dan ((thanh nga) or (phan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung ((cua nong) OR (cuu nong)) cong dan ((thanh nga) or (phan cau))*.