Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
dan hanh » dang hanh, dan khanh, dan thanh
chuc dan » chuc danh, thuc dan, chua dan
doi cua » dai cua, hoi cua
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach kem
nang co » nang cao, nang doc, nang noi
sach ty » sach y, sach tu, sach thu
co hoi » co hoc, co loi
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) OR (sach ty)) nang co hoi. hieu ve pham chuc dan hanh ((doi cua) or (de cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang co hoi. hieu ve pham chuc dan hanh ((doi cua) OR (de cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach ty)) nang co hoi. hieu ve pham chuc dan hanh ((doi cua) or (de cua)) te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach ty)) nang co hoi. hieu ve pham chuc dan hanh ((doi cua) or (de cua)) te*.