Perhaps you should try some spelling variations:
pham chuc » pham duc, kham chua, pham huy
day hanh » day nhanh, day thanh, dao hanh
pham huu » pham duc, pham duy, phan huy
thu sach » thuat sach, thuoc sach, thu hoach
cao hoi » cau hoi, co hoi, cao hoc
hieu vi » hieu voi, hieu va, hieu ve
tu sach » su sach, te sach, tu cach
hanh di » hanh vi, hanh de, hang di
di cua » dai cua, doi cua, de cua
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: ((thu sach) OR (tu sach)) ky nang cao hoi. hieu vi ((pham chuc) or (pham huu)) day hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ky nang cao hoi. hieu vi ((pham chuc) OR (pham huu)) day hanh di cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) ky nang cao hoi. hieu vi ((pham chuc) or (pham huu)) day hanh di cua te*".