Perhaps you should try some spelling variations:
hoach hoi » hoc hoi, hoach ha, sach hoi
tu hoach » thu hoach, tu hach, quy hoach
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
hoi tap » hoi dap, hoc tap, hoi tai
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 hoach hoi tap, nghien cuu cong ((hoc danh) or (hoc hanh)) hoa hoc xa hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hoach hoi 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 hoach hoi tap, nghien cuu cong ((hoc danh) or (hoc hanh)) hoa hoc xa hoi va phan van*.