Perhaps you should try some spelling variations:
thong nhung » trong nhung, thong thuong, thong thong
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cap thong » cap tong, chap thuong, phap thong
tung cap » trung cap, cung cap, thong cap
bai toan » bai tap
toan cao » toan ban, toan tap
doi chi » doi khi

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 (doi chi)) xanh - thanh tung cap thong nhung bai toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chi)) xanh - thanh tung cap thong nhung bai toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chi)) xanh - thanh tung cap thong nhung bai toan cao*.