Perhaps you should try some spelling variations:
ve triet » va trien, su triet
sach thu » sach thue, sach thieu, sach tham
va thanh » ban thanh, va tinh, le thanh
sang tao » hang tai
cam duc » cam xuc, cao duc, pham duc
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
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: su sach thu ((nang ma) or (sang tao)) hoi. hieu ve cam duc ((va thanh) OR (gia thanh)) gi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu ((nang ma) OR (sang tao)) hoi. hieu ve cam duc ((va thanh) OR (gia thanh)) gi ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach thu ((nang ma) or (sang tao)) hoi. hieu ve cam duc ((va thanh) OR (gia thanh)) gi ve triet".
• Adding a wildcard symbol may retrieve word variants: su sach thu ((nang ma) or (sang tao)) hoi. hieu ve cam duc ((va thanh) OR (gia thanh)) gi ve triet*.