Perhaps you should try some spelling variations:
trong thuat » trong hoat, trong thu, trong phat
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trong » hanh trang, anh trong, hinh trong
thuat rang » thuat trang, thuat bang, thuat mang
rang dong » lang dong, nang dong, wang dong
dong phan » dung phan, cong phan, dong chan
thanh lap » thanh san, phan lap, thanh hai
thanh tay » thanh tai, thanh toan, thanh thuy
ho chieu » theo chieu, hoc thieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - hanh trong thuat rang dong phan ((thanh lap) or (thanh tay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh trong thuat rang dong phan ((thanh lap) OR (thanh tay)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh trong thuat rang dong phan ((thanh lap) or (thanh tay))*.