Perhaps you should try some spelling variations:
trong thap » trong thai, trong phap, trong thuat
doi chieu » doi chi, ho chieu, mot chieu
thap toan » tap toan, phap toan, thuat toan
doc hieu » toc thieu, hoc thieu, hoc hien
trung vu » trung va, truong va, trung ha
toan ban » van ban
rung su » dung su, ung su, trong su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doc hieu)) tinh - thanh ((rung su) or (trung vu)) dung trong thap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) tinh - thanh ((rung su) OR (trung vu)) dung trong thap toan ban.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doc hieu)) tinh - thanh ((rung su) or (trung vu)) dung trong thap toan ban*.