Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung dang » nhung lang, nhung dung, nhung bang
ho chieu » theo chieu, hoc thieu, doi chieu
sinh cua » manh cua, dinh cuu
dang van » hoang van, hang va
tuan ban » tuan bang, luan ban, quang ban
toan ban » van ban
sinh va » sinh vat, tinh va, dinh van

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 ((sinh cua) or (sinh va)) nhung dang van ((tuan ban) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh ((sinh cua) OR (sinh va)) nhung dang van ((tuan ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh ((sinh cua) or (sinh va)) nhung dang van ((tuan ban) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((sinh cua) or (sinh va)) nhung dang van ((tuan ban) OR (toan ban))*.