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