Perhaps you should try some spelling variations:
huong xa » huong va, hmong xa, huong dan
duong xa » duong va, duong ma, dong xa
phat xuc » chat xuc, phat xuat, phap xu
van hanh » van thanh, ban hanh, van anh
hoc cac » hoc cao
cac thu » cach thuc, cac thoi
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
doi cua » dai cua, hoi cua
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc cac thu ((huong xa) OR (duong xa)) hoi. hieu va phat xuc van hanh ((vi cua) or (doi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc cac thu ((huong xa) OR (duong xa)) hoi. hieu va phat xuc van hanh ((vi cua) OR (doi cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc cac thu ((huong xa) OR (duong xa)) hoi. hieu va phat xuc van hanh ((vi cua) or (doi cua)) triet".
• Adding a wildcard symbol may retrieve word variants: hoc cac thu ((huong xa) OR (duong xa)) hoi. hieu va phat xuc van hanh ((vi cua) or (doi cua)) triet*.