Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » thong cong, hang cong, nhung don
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
tan trang » tan tran, ta trang, ban trang
trang cho » trong cho, trang o, sang cho
chu sach » thu sach, chieu sach, chuc hach
cau sach » cao sach, hau sach, rau sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chu sach) or (cau sach)) - hanh trinh cua ((nhung cong) OR (dung cong)) tan trang cho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu sach) OR (cau sach)) - hanh trinh cua ((nhung cong) OR (dung cong)) tan trang cho.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chu sach) or (cau sach)) - hanh trinh cua ((nhung cong) OR (dung cong)) tan trang cho".
• Adding a wildcard symbol may retrieve word variants: chao ((chu sach) or (cau sach)) - hanh trinh cua ((nhung cong) OR (dung cong)) tan trang cho*.