Perhaps you should try some spelling variations:
nhan tuong » nhan trong, nhan thong, nhan tong
tuong manh » duong manh, luong manh, tung manh
hoc thieu » hoc hien
manh toan » thanh toan, anh tuan, tinh toan
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
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: ((hoc thieu) or (toc thieu)) xanh - thanh ((trung va) OR (trung ha)) nhan tuong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - thanh ((trung va) OR (trung ha)) nhan tuong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (toc thieu)) xanh - thanh ((trung va) OR (trung ha)) nhan tuong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) xanh - thanh ((trung va) OR (trung ha)) nhan tuong manh toan ban*.