Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
chinh cau » chinh chau, chinh ca, chinh can
ho chieu » theo chieu, doi chieu, mot chieu
tung cap » trung cap, cung cap, thong cap
cap dung » ap dung, cao dung, chan dung
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, can cau, nhanh cau

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