Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
hanh dam » thanh dam, hanh lam, hanh nam
sach thi » sach thu, sach tai, sach thieu
thuc va » thuc vat, thuc dan, thuc day
te sach » toc sach
hieu ve » hieu va, hieu van
hanh ma » hanh mau, hanh may, hanh va
hanh xa » hanh va, hanh xu, canh xa
ve cham » va cham, ve chat, vu cham
tuc va » truc va, tuc xa, duc va
dam va » dam van, nam va, dam ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach thi ((hanh xa) or (hanh ma)) hoi. hieu ve cham ((tuc va) OR (thuc va)) hanh dam va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thi ((hanh xa) OR (hanh ma)) hoi. hieu ve cham ((tuc va) OR (thuc va)) hanh dam va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thi ((hanh xa) or (hanh ma)) hoi. hieu ve cham ((tuc va) OR (thuc va)) hanh dam va triet".
• Adding a wildcard symbol may retrieve word variants: te sach thi ((hanh xa) or (hanh ma)) hoi. hieu ve cham ((tuc va) OR (thuc va)) hanh dam va triet*.