Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
canh tinh » hanh tinh, canh tranh, nhanh tinh
manh tinh » man tinh, manh binh, hanh tinh
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cac » nhan cach, phan dau, phan lap

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 - ((canh tinh) OR (manh tinh)) va nhung cong tac phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((canh tinh) OR (manh tinh)) va nhung cong tac phan cac".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh tinh) OR (manh tinh)) va nhung cong tac phan cac*.