Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lai » thanh hai, thanh lap, thanh loi
xa thanh » va thanh, ha thanh, ta thanh
nam thuc » nam thuoc, am thuc, nam thu
hieu va » lieu va, hieu qua
lai cua » dai cua, hai cua, lai chau
thuc xa » thuc xay, tuc xa, thuc va
su sach » so sach
hieu ve » hieu van
nang ma » tang ma, sang ma, nang cao
vu sach » vu bach, vu khach
y nang » ky nang, ly nang, v nang

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) or (vu sach)) y nang ma hoa. ((hieu ve) or (hieu va)) nam thuc xa thanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) y nang ma hoa. ((hieu ve) OR (hieu va)) nam thuc xa thanh lai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) y nang ma hoa. ((hieu ve) or (hieu va)) nam thuc xa thanh lai cua triet*.