Perhaps you should try some spelling variations:
phuong thanh » phong thanh, truong thanh, phuong thao
cong phuong » cong thuong, cong huong, dong phuong
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh thong » anh thong, hanh trong, hang thong
hoc thieu » toc thieu, hoc hien
phan lapi » phan loai, phan tap, phan lan
thong tu » phong tuc, thong tin, thong ke
phan lap » phan dau
tu cong » thu cong, te cong, tai cong

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 tinh - hanh thong tu cong phuong thanh ((phan lap) or (phan lapi))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh thong tu cong phuong thanh ((phan lap) OR (phan lapi)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh thong tu cong phuong thanh ((phan lap) or (phan lapi))*.