Perhaps you should try some spelling variations:
sach thue » sach thu, sach tham, cach thuc
hanh dai » hanh tai, hanh dao, vanh dai
nano xa » nano va, nano bac, nano cau
qua cam » qua cham, qua cac, qua ca
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
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: nuoc ((sach thue) or (sach thieu)) nano xa hoi. hieu qua cam xuc va hanh dai ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc ((sach thue) OR (sach thieu)) nano xa hoi. hieu qua cam xuc va hanh dai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc ((sach thue) or (sach thieu)) nano xa hoi. hieu qua cam xuc va hanh dai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: nuoc ((sach thue) or (sach thieu)) nano xa hoi. hieu qua cam xuc va hanh dai ((cua te) OR (cua tu))*.