Perhaps you should try some spelling variations:
tham thuc » nham thuc, pham thuc, tam thuc
ngoc tuan » ngo xuan
cham tuc » nham thuc, pham thuc, cham soc
vu sach » vu bach, su sach, vu khach
ly lang » ly hang, ly vang, le lang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
goc cua » hoc cua, doc cua, goc qua
sach ly » sach y, sach lo, sach ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ly lang xa hoi. hieu va ((cham tuc) or (tham thuc)) van dich ((ngoc tuan) or (goc cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly lang xa hoi. hieu va ((cham tuc) OR (tham thuc)) van dich ((ngoc tuan) OR (goc cua)) te.
• Adding a wildcard symbol may retrieve word variants: vu sach ly lang xa hoi. hieu va ((cham tuc) or (tham thuc)) van dich ((ngoc tuan) or (goc cua)) te*.