Perhaps you should try some spelling variations:
cau trieu » cac trieu, cau triet, chua trieu
cau tren » cu tren, dau tren, ca tren
thu lang » thu hang, thu bang, phu lang
gia hanh » gia thanh, giao hanh, gia anh
duc gia » quoc gia
cac duc » cac du, cao duc, cac dac
tu sach » thu sach, su sach, te sach
thu ban » thu hang
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((thu lang) or (thu ban)) xa hoi. hieu ve cac duc gia hanh vi ((cau trieu) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((thu lang) OR (thu ban)) xa hoi. hieu ve cac duc gia hanh vi ((cau trieu) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: tu sach ((thu lang) or (thu ban)) xa hoi. hieu ve cac duc gia hanh vi ((cau trieu) or (cau tren))*.