Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh tai » thanh tai, han tai, hinh tai
hang tai » hang va, dung tai
cua tre » cua te, cuu tre, dua tren
tu sach » thu sach, su sach, te sach
thuc xa » thuc xay, tuc xa, thuc va
lieu ha » lieu nha, lieu va, liem ha
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
ha am » hoa am, ha nam, ha lam

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 y nang ma hoi. lieu ha am thuc xa ((hanh tai) or (hang tai)) ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ma hoi. lieu ha am thuc xa ((hanh tai) OR (hang tai)) ((cua tre) OR (cua triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ma hoi. lieu ha am thuc xa ((hanh tai) or (hang tai)) ((cua tre) OR (cua triet))*".