Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
dieu cua » dieu tra
cham tuc » nham thuc, tham thuc, cham soc
te sach » toc sach
ly tang » le tang, ly hang, ly vang
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
sach ly » sach y, sach lo, sach ty
va danh » va dinh, va dan, va hanh
di cua » dai cua, doi cua, de cua
ma hoi » mai hoi, xa hoi, ma hoa

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 ly tang ma hoi. hieu ve ((cham tuc) OR (pham thuc)) va danh ((di cua) or (dieu cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly tang ma hoi. hieu ve ((cham tuc) OR (pham thuc)) va danh ((di cua) OR (dieu cua)) te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly tang ma hoi. hieu ve ((cham tuc) OR (pham thuc)) va danh ((di cua) or (dieu cua)) te*".