Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cap thong » cap tong, chap thuong, phap thong
thong ban » thong van, trong ban, thong bai
ho chieu » theo chieu, doi chieu, mot chieu
tung cap » trung cap, cung cap, thong cap
phan cau » phan dau, phan cac, phan tu

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)) sach - thanh tung cap thong ((thong ban) or (nhung bai)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - thanh tung cap thong ((thong ban) OR (nhung bai)) phan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - thanh tung cap thong ((thong ban) or (nhung bai)) phan cau*.