Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
sach thue » sach thieu, sach tham, cach thuc
van pham » san pham, van phan, van phat
hieu van » hieu va, thien van, lieu va
sach thu » sach thieu, sach tham, cach thuc
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
nang xa » nang x, lang xa, nang ma
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach thu) or (sach thue)) nang xa hoi. hieu van pham chuc ((va hanh) or (va danh)) dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach thu) OR (sach thue)) nang xa hoi. hieu van pham chuc ((va hanh) OR (va danh)) dai cua te.
• Adding a wildcard symbol may retrieve word variants: so ((sach thu) or (sach thue)) nang xa hoi. hieu van pham chuc ((va hanh) or (va danh)) dai cua te*.