Perhaps you should try some spelling variations:
trong hach » trong mach, trong cach, trong hanh
trinh quan » tinh quang, trinh luat, trinh han
hieu tang » nhieu tang, hieu lang, hieu tieng
hach toan » thanh toan, manh toan
nho hieu » nha hieu, nho sieu, nhu hieu
tinh cua » trinh cua, sinh cua, tinh chat
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: nho hieu tang - hanh ((tinh cua) or (trinh quan)) dung trong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho hieu tang - hanh ((tinh cua) OR (trinh quan)) dung trong hach toan ban.
• Adding a wildcard symbol may retrieve word variants: nho hieu tang - hanh ((tinh cua) or (trinh quan)) dung trong hach toan ban*.