Perhaps you should try some spelling variations:
zhang chuan » khang chan, chung chuan, khang khuan
hanh zhang » nhanh thang, thanh thang, hanh trang
chuan nang » chua nang, chuan trang, chuc nang
nang huong » nang thuong, nang luong, hang thuong
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
toan cao » toan tap
toan ban » van ban

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)) tinh - hanh zhang chuan nang huong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - hanh zhang chuan nang huong dan ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) tinh - hanh zhang chuan nang huong dan ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) tinh - hanh zhang chuan nang huong dan ((toan cao) or (toan ban))*.