Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong doan » phuong loan, phuong hoang, huong dan
thieu hach » thien hach, chieu sach, hieu cach
nhanh bang » nhanh lang, nhanh mang, nhanh quang
hoc thieu » toc thieu, hoc hien
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
bang va » hang va, ban va, trang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu hach - nhanh bang va nhung phuong doan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hach - nhanh bang va nhung phuong doan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu hach - nhanh bang va nhung phuong doan ((toan cau) or (toan tap))*.