Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong cao » truong dai
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
manh toan » thanh toan, anh tuan, tinh toan
toan tap » toan ban
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: ((doi chi) or (hoc thieu)) sach - hanh truong cao ((nhung cong) or (thong cong)) manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (hoc thieu)) sach - hanh truong cao ((nhung cong) OR (thong cong)) manh toan tap.
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (hoc thieu)) sach - hanh truong cao ((nhung cong) or (thong cong)) manh toan tap*.