Perhaps you should try some spelling variations:
ve triet » va trien, su triet
sach thi » sach thu, sach tai, sach thieu
thanh xu » hanh xu, thanh tu, thanh xuan
van hanh » van thanh, ban hanh, van anh
hanh va » hang va, hanh vi
tuc van » thuc van, truc van, tuc va
tu sach » thu sach, su sach, te sach
va cam » va cham, va cac, va cao
ve cam » ve cham, ve cai, ve cau
xu hoi » xa hoi, lu hoi, vu hoi
ve cac » va cac, vien cac
va ve » va de, va le, va vi

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 thi thanh xu hoi. hieu ((((ve cam) or (ve cac))) or (va cam)) tuc van hanh va ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thi thanh xu hoi. hieu ((((ve cam) OR (ve cac))) OR (va cam)) tuc van hanh va ve triet.
• Adding a wildcard symbol may retrieve word variants: tu sach thi thanh xu hoi. hieu ((((ve cam) or (ve cac))) or (va cam)) tuc van hanh va ve triet*.