Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
hieu xanh » chieu xanh, hieu manh, hieu nganh
trung cua » trung tuan, trung cap, dung cua
dang cong » dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty
hanh cac » hang cac, hanh cat, nhanh cay
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: doc hieu xanh - manh ((trung cua) OR (truong cua)) dang cong tac ((hanh cac) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - manh ((trung cua) OR (truong cua)) dang cong tac ((hanh cac) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - manh ((trung cua) OR (truong cua)) dang cong tac ((hanh cac) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - manh ((trung cua) OR (truong cua)) dang cong tac ((hanh cac) or (phan cac))*.