Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, pham thu
nham thuc » nhan thuc, nam thuc, nham thu
van thang » van thanh, van khang, van hang
toc cach » hoc cach, toc sach, truoc cach
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 ((pham thuc) or (nham 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 ((pham thuc) OR (nham thuc)) van thang di cua tre.
• Adding a wildcard symbol may retrieve word variants: toc cach tu nang xa hoi. hieu va ((pham thuc) or (nham thuc)) van thang di cua tre*.