Perhaps you should try some spelling variations:
phuong luong » thuong luong, phuong duong, phuong dung
hoc thieu » toc thieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
tinh bang » tinh sang, tinh lang, tinh quang
luong dan » huong dan, luong dao, luong van
ho chieu » theo chieu, doi chieu, thi chieu
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((ho chieu) or (mot chieu))) or (hoc thieu)) tinh - hanh tinh bang phuong luong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (mot chieu))) OR (hoc thieu)) tinh - hanh tinh bang phuong luong dan phan tu.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (mot chieu))) or (hoc thieu)) tinh - hanh tinh bang phuong luong dan phan tu*.