Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh zhang » thanh thang, hanh trang, danh thang
chuan nang » chua nang, chuan trang, chuc nang
nang huong » nang thuong, nang luong, hang thuong
ho chieu » theo chieu, hoc thieu, doi 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 tinh - ((hanh zhang) OR (nhanh thang)) chuan nang huong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((hanh zhang) OR (nhanh thang)) chuan nang huong dan ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - ((hanh zhang) OR (nhanh thang)) chuan nang huong dan ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((hanh zhang) OR (nhanh thang)) chuan nang huong dan ((toan cao) or (toan ban))*.