Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
trung vap » trung cap, trung va, trung van
vap nhung » va nhung, ve nhung, voi nhung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
hoa tap » khoa tap, hoc tap, hoa tam
hoa tan » hoa dan, hoa van, hoa tin

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: theo phap tinh - thanh trung vap nhung ((cong tan) OR (cong tac)) ((hoa tap) OR (hoa tan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo phap tinh - thanh trung vap nhung ((cong tan) OR (cong tac)) ((hoa tap) or (hoa tan))~".
• Adding a wildcard symbol may retrieve word variants: theo phap tinh - thanh trung vap nhung ((cong tan) OR (cong tac)) ((hoa tap) or (hoa tan))*.