Perhaps you should try some spelling variations:
hach hoc » cach hoc, mach hoc, hoach hoi
cuu cong » cua cong, thu cong, cac cong
hoc danh » hoc dan, hoc anh, hoc nganh
hoc hanh » hoc nhanh, hoc thanh, hoc anh
phan van » pham van, thanh van, luan van
tu hach » tu hanh, tu cach, tu sach
va phan » van phan, va phat, va phap
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu hach hoc tap, nghien cuu cong ((hoc danh) OR (hoc hanh)) hoa hoc xa hoi va phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu hach hoc tap, nghien cuu cong ((hoc danh) OR (hoc hanh)) hoa hoc xa hoi va phan van".
• Adding a wildcard symbol may retrieve word variants: tu hach hoc tap, nghien cuu cong ((hoc danh) OR (hoc hanh)) hoa hoc xa hoi va phan van*.