Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
ho chieu » hoc thieu, doi chieu, mot chieu
dan chan » dan gian, dan ca, van chat
chan cao » chan cho, chat cao, chay cao
tung ha » trung ha, dung ha, tung ho

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 (theo chieu)) sach - thanh tung ha ((nhung cong) or (thong thong)) dan chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - thanh tung ha ((nhung cong) OR (thong thong)) dan chan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - thanh tung ha ((nhung cong) or (thong thong)) dan chan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - thanh tung ha ((nhung cong) or (thong thong)) dan chan cao*.