Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
sang tao » hang tai
hanh dai » hanh tai, hanh dao, vanh dai
hoc sach » hoc sinh, hoc cac, hoc anh
xa hanh » xa thanh, xa khanh, va hanh
hieu va » lieu va, hieu qua
bo sach » co sach
nang ma » tang ma, sang ma, nang cao
va cam » va cham, va cac, va cao
xuc xa » tuc xa, buc xa
dai su » dai sua, dai so, dan su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((bo sach) OR (hoc sach)) y ((nang ma) or (sang tao)) hoi. hieu va cam xuc xa hanh dai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bo sach) OR (hoc sach)) y ((nang ma) OR (sang tao)) hoi. hieu va cam xuc xa hanh dai su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bo sach) OR (hoc sach)) y ((nang ma) or (sang tao)) hoi. hieu va cam xuc xa hanh dai su triet".
• Adding a wildcard symbol may retrieve word variants: ((bo sach) OR (hoc sach)) y ((nang ma) or (sang tao)) hoi. hieu va cam xuc xa hanh dai su triet*.