Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung cong » truong cong, trong cong, trung uong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
cong tac » cong ty
tac thai » toc thai, rac thai, sac thai
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - hanh ((trung cua) OR (trung cap)) trung cong tac thai cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - hanh ((trung cua) OR (trung cap)) trung cong tac thai cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((trung cua) OR (trung cap)) trung cong tac thai cao*.