Perhaps you should try some spelling variations:
ve triet » va trien, su triet
sach ty » sach y, sach thu, xach tay
tinh gi » tinh gia, sinh gi, tinh vi
va tinh » may tinh
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
sach tu » sach thu, cach tu, sach uu
ve cam » ve cham, ve cac, va cam
gi ve » gia ve, gi de, gi he

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 ty) or (sach tu)) ((nang x) or (sang ma)) hoi. hieu ve cam duc va tinh gi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tu)) ((nang x) OR (sang ma)) hoi. hieu ve cam duc va tinh gi ve triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach tu)) ((nang x) or (sang ma)) hoi. hieu ve cam duc va tinh gi ve triet*.