Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hai cua » thai cua, dai cua, hoi cua
anh hai » lanh hai, manh hai, anh thai
tan anh » tuan anh, tran anh, toan anh
cam duc » cam xuc, cao duc, nam duoc
sach ty » sach y, sach tu, sach thu
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
hieu va » lieu va, hieu qua

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 ((nang xa) or (nang ma)) hoi. hieu va ((cam duc) or (pham duc)) tan anh hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang xa) OR (nang ma)) hoi. hieu va ((cam duc) OR (pham duc)) tan anh hai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang xa) or (nang ma)) hoi. hieu va ((cam duc) or (pham duc)) tan anh hai cua triet*.