Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
canh trong » anh trong, hanh trong, lanh trong
lang trong » cong trong, dong trong
phan dung » phan ung, phan dang, chan dung
trong cap » trung cap, trong cac, trong ca
cap phan » cac phan, cao phan, cap han

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu tinh - ((canh trong) or (lang trong)) phan dung trong cap phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - ((canh trong) OR (lang trong)) phan dung trong cap phan tu*.