Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cua chong » cua chung, cua khong, cuu chong
nhanh cay » nhanh ha, nhanh bac, nhanh va
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 chieu xanh - thanh trung ((cua chong) OR (cua cong)) cong dan ((nhanh cay) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh trung ((cua chong) OR (cua cong)) cong dan ((nhanh cay) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - thanh trung ((cua chong) OR (cua cong)) cong dan ((nhanh cay) or (phan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung ((cua chong) OR (cua cong)) cong dan ((nhanh cay) or (phan cau))*.