Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
hanh ban » thanh ban, hang ban, hanh san
toan tai » doanh tai, toan cao, von tai
toan ban » van ban
ban cua » ban quan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - hanh ban cua thong cong trinh ((toan tai) or (((toan tap) OR (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh ban cua thong cong trinh ((toan tai) OR (((toan tap) OR (toan ban)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh ban cua thong cong trinh ((toan tai) or (((toan tap) OR (toan ban))))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh ban cua thong cong trinh ((toan tai) or (((toan tap) OR (toan ban))))*.