Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
vu cham » va cham, vu kham, tu cham
vai cau » va cau, van cau, vai cac
tuc van » thuc van, truc van, tuc va
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
vu sach » vu bach, su sach, vu khach
ve cham » va cham, ve chat, ve chim
y lang » o lang, _ lang, tay lang

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) or (vu sach)) y lang xa hoi. hieu ((ve cham) or (vu cham)) tuc van hanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (vu sach)) y lang xa hoi. hieu ((ve cham) OR (vu cham)) tuc van hanh vai cau tren.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu sach)) y lang xa hoi. hieu ((ve cham) or (vu cham)) tuc van hanh vai cau tren*.