Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dua tren » dung tren
hanh lai » hanh lam, hanh tai, thanh lap
va hanh » van hanh, va thanh, va danh
sach ky » sac ky, sach y, sach ty
te sach » toc sach
sang xa » song xa, lang xa, mang xa
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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 ky ((sang xa) or (sang ma)) hoi. hieu ve cam xuc va hanh lai ((dua tren) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((sang xa) OR (sang ma)) hoi. hieu ve cam xuc va hanh lai ((dua tren) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ky ((sang xa) or (sang ma)) hoi. hieu ve cam xuc va hanh lai ((dua tren) or (cua triet))*.