Perhaps you should try some spelling variations:
thieu nien » thien nhien
dieu hien » dieu khien, dieu kien, bieu hien
bach thu » bach nhu, sach thu, bich thuy
cua tre » cuu tre, cua triet, dua tren
dan vai » dan va, dan tai, dan vat
cua dan » cua dang, cua ban, ca dan
thu cua » thuc cua, hu cua, tu cua
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 ly nang x hoi. ((dieu hien) or (thieu nien)) bach thu cua dan vai ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang x hoi. ((dieu hien) OR (thieu nien)) bach thu cua dan vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang x hoi. ((dieu hien) or (thieu nien)) bach thu cua dan vai ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach ly nang x hoi. ((dieu hien) or (thieu nien)) bach thu cua dan vai ((cua tre) OR (cua te))*.