Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hanh truong » hanh trong, anh truong, manh truong
truong cao » truong dai
nhung dung » phuong dung, ung dung, thong dung
tieu tinh » trieu tinh, tieu trinh, lieu tinh
chan ban » can ban, chat ban, chan doan
chan nan » chan nhan, chang nang, chan doan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - hanh truong cao ((nhung dung) or (nhung phuong)) dan ((chan ban) OR (chan nan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh truong cao ((nhung dung) OR (nhung phuong)) dan ((chan ban) OR (chan nan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - hanh truong cao ((nhung dung) or (nhung phuong)) dan ((chan ban) OR (chan nan))".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh truong cao ((nhung dung) or (nhung phuong)) dan ((chan ban) OR (chan nan))*.