Perhaps you should try some spelling variations:
thanh tinh » thanh binh, than kinh, hanh trinh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
nhung cong » dung cong, thong cong, hang cong
hieu xanh » chieu xanh, hieu manh, hieu nganh
cua nhung » va nhung
cong tinh » cong trinh, cong vinh, long tinh
doc hieu » toc thieu, hoc thieu, hoc hien
toan cao » toan ban, toan tap

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 - ((thanh tinh) or (nhanh tinh)) cua nhung cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - ((thanh tinh) OR (nhanh tinh)) cua nhung cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - ((thanh tinh) or (nhanh tinh)) cua nhung cong tinh toan cao*.