Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
thong tan » thong than, thong tran, thong tin
ho chieu » theo chieu, mot chieu, thi chieu
dung cua » dung luan, dung cho
tan thai » tay thai, ban thai, tan tai
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: ((((ho chieu) OR (hoc thieu))) or (doi chieu)) tinh - hanh dung cua thong thong tan thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (hoc thieu))) OR (doi chieu)) tinh - hanh dung cua thong thong tan thai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((ho chieu) OR (hoc thieu))) or (doi chieu)) tinh - hanh dung cua thong thong tan thai cao".
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) OR (hoc thieu))) or (doi chieu)) tinh - hanh dung cua thong thong tan thai cao*.