Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
tien manh » tien anh, tien thanh, tieng anh
cua thong » cua thuong, cua khong, cua tong
thanh ban » thanh san, thanh van, thanh bac
hoc tien » hoc tieng, hoc hien, hoc vien
tinh cua » trinh cua, sinh cua, tinh chat
cong san » cong tac
than ban » toan ban, than man, nhuan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien manh - nhanh tinh cua thong ((cong san) or (huong dan)) ((than ban) OR (thanh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien manh - nhanh tinh cua thong ((cong san) OR (huong dan)) ((than ban) OR (thanh ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tien manh - nhanh tinh cua thong ((cong san) or (huong dan)) ((than ban) OR (thanh ban))".
• Adding a wildcard symbol may retrieve word variants: hoc tien manh - nhanh tinh cua thong ((cong san) or (huong dan)) ((than ban) OR (thanh ban))*.