Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua trung » cua truong, xuan trung, cua nhung
theo chu » theo chieu, cho chu, chao chu
cong van » cong vang, song van, cong tan
cong san » cong tac
tai cao » thai cao, tao cao, tai sao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (hoc thieu)) sach - hanh tranh cua trung ((cong van) OR (cong san)) tai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (hoc thieu)) sach - hanh tranh cua trung ((cong van) OR (cong san)) tai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (hoc thieu)) sach - hanh tranh cua trung ((cong van) OR (cong san)) tai cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (hoc thieu)) sach - hanh tranh cua trung ((cong van) OR (cong san)) tai cao*.