Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nham thu, pham thuc
van thang » van thanh, van khang, van hang
toc cach » hoc cach, toc sach, truoc cach
thang di » hang di, tang di, thang loi
nam thuc » nam thuoc, am thuc, nam thu
cham tuc » pham thuc, tham thuc, cham soc
cua tre » cua te, cuu tre, cua triet
cach tu » cach thuc
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
tu nang » tru nang, tu nong, tu nano
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc cach tu nang xa hoi. hieu va ((cham tuc) or (((nham thuc) OR (nam thuc)))) van thang di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc cach tu nang xa hoi. hieu va ((cham tuc) OR (((nham thuc) OR (nam thuc)))) van thang di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc cach tu nang xa hoi. hieu va ((cham tuc) or (((nham thuc) OR (nam thuc)))) van thang di cua tre".
• Adding a wildcard symbol may retrieve word variants: toc cach tu nang xa hoi. hieu va ((cham tuc) or (((nham thuc) OR (nam thuc)))) van thang di cua tre*.