Perhaps you should try some spelling variations:
cua triet » su triet, va triet
sach thuc » cach thuc, sach thu, sach thue
nhan hai » nhanh hai, nhan tai, chan hai
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
hanh xa » hanh va, hanh ma, hanh xu
ve cam » ve cham, ve cac, va cam
tuc ca » tuc cac, tuc cua, tuc xa

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 thuc hanh xa hoi. hieu ((ve cam) or (va cac)) tuc ca nhan hai ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thuc hanh xa hoi. hieu ((ve cam) OR (va cac)) tuc ca nhan hai ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: tu sach thuc hanh xa hoi. hieu ((ve cam) or (va cac)) tuc ca nhan hai ((cua triet) or (cua viet))*.