Perhaps you should try some spelling variations:
khuong tinh » chuong trinh, phuong trinh, phuong binh
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
thuat bang » thuat ban, thuat mang, thuat nang
hanh hang » thanh hang, hang hang, hanh han
tuan bang » tuan dang, tuan hoang, tuong bang
toan ban » van ban

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 sang - hanh hang ((tuan bang) OR (thuat bang)) khuong tinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sang - hanh hang ((tuan bang) OR (thuat bang)) khuong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh hang ((tuan bang) OR (thuat bang)) khuong tinh toan ban*.