Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
cham tuc » nham thuc, tham thuc, cham soc
danh doi » danh di, thanh doi, dung doi
doi cua » dai cua, hoi cua
va danh » va dinh, va dan, va hanh
te sach » toc sach
hieu ve » hieu va, hieu van
nang xa » lang xa, nang ma, mang xa
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y ((nang xa) or (nang x)) hoi. hieu ve ((cham tuc) or (pham thuc)) va danh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (nang x)) hoi. hieu ve ((cham tuc) OR (pham thuc)) va danh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) or (nang x)) hoi. hieu ve ((cham tuc) or (pham thuc)) va danh doi cua tre*.