Perhaps you should try some spelling variations:
phuong van » phung van, phuong lan, phuong va
hoc thieu » hoc hien
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
phong van » phung van, thong van, phong va
manh cua » doanh cua, ban cua
than cao » toan cao, thai cao, than cap

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) or (toc thieu)) tinh - hanh manh cua nhung ((phuong van) OR (phong van)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) tinh - hanh manh cua nhung ((phuong van) OR (phong van)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (toc thieu)) tinh - hanh manh cua nhung ((phuong van) OR (phong van)) than cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) tinh - hanh manh cua nhung ((phuong van) OR (phong van)) than cao*.