Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
cua truong » xuan truong, cac truong, xa truong
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
cua trung » xuan trung, cua nhung, ba trung
con thanh » cong thanh, son thanh, co thanh
ho chieu » theo chieu, doi chieu, mot chieu
toan tap » toan ban

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) or (hoc thieu)) xanh - thanh tinh ((cua truong) OR (cua trung)) con thanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - thanh tinh ((cua truong) OR (cua trung)) con thanh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - thanh tinh ((cua truong) OR (cua trung)) con thanh toan tap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - thanh tinh ((cua truong) OR (cua trung)) con thanh toan tap*.