Perhaps you should try some spelling variations:
trong trinh » trong tinh, trang trinh, trong thinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh toan » tinh toan, thanh toan, trinh han
ho chieu » theo chieu, hoc thieu, doi chieu
sinh cua » manh cua, dinh cuu, sinh va
tinh cua » trinh cua, tranh cua, tinh thua
toan ban » van ban

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

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