Perhaps you should try some spelling variations:
trong dang » truong dang, trong dan, trong dong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
dang thai » dang thi, dang hai, dang khai
tang cua » mang cua, hang cua, tang luan
thai cao » tai cao, thoai cac, thuat cao
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doi chi)) tinh - hanh ((trung cua) or (tang cua)) dung trong dang thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chi)) tinh - hanh ((trung cua) OR (tang cua)) dung trong dang thai cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chi)) tinh - hanh ((trung cua) or (tang cua)) dung trong dang thai cao*.