Perhaps you should try some spelling variations:
tham lang » nham nang, pham hang, thai bang
hoc sach » hoc sinh, hoc anh
cam truc » cau truc, nam truc, lam truoc
va thanh » gia thanh, ban thanh, le thanh
va tinh » may tinh
vai cua » dai cua, hai cua, lai cua
hoc cac » hoc cao
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc sach) OR (hoc cac)) tham lang xa hoi. hieu va cam truc ((va thanh) or (va tinh)) vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (hoc cac)) tham lang xa hoi. hieu va cam truc ((va thanh) OR (va tinh)) vai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc sach) OR (hoc cac)) tham lang xa hoi. hieu va cam truc ((va thanh) or (va tinh)) vai cua tu".
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) OR (hoc cac)) tham lang xa hoi. hieu va cam truc ((va thanh) or (va tinh)) vai cua tu*.